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<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">Functions<div class="ingroups"><a class="el" href="group__group__sysclk.html">SysClk       (System Clock)</a> &raquo; <a class="el" href="group__group__sysclk__clk__bak.html">Backup Domain Clock</a></div></div>  </div>
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<a name="details" id="details"></a><h2 class="groupheader">General Description</h2>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gab72e0702bafe7df920708eacefdb40dd"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__sysclk__clk__bak__funcs.html#gab72e0702bafe7df920708eacefdb40dd">Cy_SysClk_ClkBakSetSource</a> (<a class="el" href="group__group__sysclk__clk__bak__enums.html#gae43abac127a973232c6e4c1adbde0497">cy_en_clkbak_in_sources_t</a> source)</td></tr>
<tr class="memdesc:gab72e0702bafe7df920708eacefdb40dd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the source for the backup domain clock (clk_bak).  <a href="#gab72e0702bafe7df920708eacefdb40dd">More...</a><br /></td></tr>
<tr class="separator:gab72e0702bafe7df920708eacefdb40dd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga1adb7fee57ae2ce4aa9ef882b53af176"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__group__sysclk__clk__bak__enums.html#gae43abac127a973232c6e4c1adbde0497">cy_en_clkbak_in_sources_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__sysclk__clk__bak__funcs.html#ga1adb7fee57ae2ce4aa9ef882b53af176">Cy_SysClk_ClkBakGetSource</a> (void)</td></tr>
<tr class="memdesc:ga1adb7fee57ae2ce4aa9ef882b53af176"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reports the source for the backup domain clock (clk_bak).  <a href="#ga1adb7fee57ae2ce4aa9ef882b53af176">More...</a><br /></td></tr>
<tr class="separator:ga1adb7fee57ae2ce4aa9ef882b53af176"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a id="gab72e0702bafe7df920708eacefdb40dd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab72e0702bafe7df920708eacefdb40dd">&#9670;&nbsp;</a></span>Cy_SysClk_ClkBakSetSource()</h2>

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<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void Cy_SysClk_ClkBakSetSource </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="group__group__sysclk__clk__bak__enums.html#gae43abac127a973232c6e4c1adbde0497">cy_en_clkbak_in_sources_t</a>&#160;</td>
          <td class="paramname"><em>source</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
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<p>Sets the source for the backup domain clock (clk_bak). </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">source</td><td><a class="el" href="group__group__sysclk__clk__bak__enums.html#gae43abac127a973232c6e4c1adbde0497">cy_en_clkbak_in_sources_t</a></td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>clkLf is not available in all power modes. For this reason, WCO is the preferred source. If the WCO is routed through the clkLf multiplexer (see <a class="el" href="group__group__sysclk__clk__lf__funcs.html#ga446424e5edb0121a1c6c06e7d87cd054">Cy_SysClk_ClkLfSetSource</a>), select WCO directly - do not select clkLf.</dd></dl>
<dl class="section user"><dt>Function Usage</dt><dd><div class="fragment"><div class="line">    <span class="comment">/* Scenario: Backup clock source needs to be updated to the WCO. */</span></div><div class="line"></div><div class="line">    <span class="keywordflow">if</span>(<a class="code" href="group__group__sysclk__clk__bak__enums.html#ggae43abac127a973232c6e4c1adbde0497a9a82c90148622105cc000167a9b0428b">CY_SYSCLK_BAK_IN_WCO</a> != <a class="code" href="group__group__sysclk__clk__bak__funcs.html#ga1adb7fee57ae2ce4aa9ef882b53af176">Cy_SysClk_ClkBakGetSource</a>())</div><div class="line">    {</div><div class="line">        <a class="code" href="group__group__sysclk__clk__bak__funcs.html#gab72e0702bafe7df920708eacefdb40dd">Cy_SysClk_ClkBakSetSource</a>(<a class="code" href="group__group__sysclk__clk__bak__enums.html#ggae43abac127a973232c6e4c1adbde0497a9a82c90148622105cc000167a9b0428b">CY_SYSCLK_BAK_IN_WCO</a>);</div><div class="line">    }</div></div><!-- fragment --></dd></dl>

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<a id="ga1adb7fee57ae2ce4aa9ef882b53af176"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga1adb7fee57ae2ce4aa9ef882b53af176">&#9670;&nbsp;</a></span>Cy_SysClk_ClkBakGetSource()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="group__group__sysclk__clk__bak__enums.html#gae43abac127a973232c6e4c1adbde0497">cy_en_clkbak_in_sources_t</a> Cy_SysClk_ClkBakGetSource </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Reports the source for the backup domain clock (clk_bak). </p>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="group__group__sysclk__clk__bak__enums.html#gae43abac127a973232c6e4c1adbde0497">cy_en_clkbak_in_sources_t</a></dd></dl>
<dl class="section user"><dt>Function Usage</dt><dd><div class="fragment"><div class="line">    <span class="comment">/* Scenario: Backup clock source needs to be updated to the WCO. */</span></div><div class="line"></div><div class="line">    <span class="keywordflow">if</span>(<a class="code" href="group__group__sysclk__clk__bak__enums.html#ggae43abac127a973232c6e4c1adbde0497a9a82c90148622105cc000167a9b0428b">CY_SYSCLK_BAK_IN_WCO</a> != <a class="code" href="group__group__sysclk__clk__bak__funcs.html#ga1adb7fee57ae2ce4aa9ef882b53af176">Cy_SysClk_ClkBakGetSource</a>())</div><div class="line">    {</div><div class="line">        <a class="code" href="group__group__sysclk__clk__bak__funcs.html#gab72e0702bafe7df920708eacefdb40dd">Cy_SysClk_ClkBakSetSource</a>(<a class="code" href="group__group__sysclk__clk__bak__enums.html#ggae43abac127a973232c6e4c1adbde0497a9a82c90148622105cc000167a9b0428b">CY_SYSCLK_BAK_IN_WCO</a>);</div><div class="line">    }</div></div><!-- fragment --></dd></dl>

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